I've never done an album like this. With Biophilia, I was being like Kofi Annan - I had to be the pacifist to try to unite the impossible. Maybe that was a strange, personal job between me and myself, to show how overreaching I was being as a woman. The only way I could express that was by comparing it to the universe.

It takes a long time to fully become who you are.

I was very aware when I went to the Academy Awards that it would probably be my first and last time. So I thought my input should really be about fertility, and I thought I'd bring some eggs.

I miss you, but I haven't met you yet!

Solar power, wind power, the way forward is to collaborate with nature - it's the only way we are going to get to the other end of the 21st century.

You shouldn't let poets lie to you.

Maybe I'll be a feminist in my old age.